This city park was once a lookout point for George Washington’s army during the Battle of Brooklyn in 1776.

This early version of the guillotine was used to execute the man responsible for its construction.

A memorial to the first person killed by a motor vehicle in the Western Hemisphere.

This museum tucked below a charming cafe gives a brief snapshot of photographic history.

These lush botanical gardens employ the most purrfect pest control force.

The tomb was guarded by soldiers from both sides of the war, and some left their initials carved in the brick.

This strange, big-tailed beast became a Pennsylvania town's unofficial mascot.

The graveyard holding the remains of George Washington's slaves was forgotten for nearly 200 years.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

A forgotten relic from New York's bygone trolley system hides in plain sight under a bridge.

World Trade Center memorial likened to a woman's sexual organ.

The narrowest house in America is seven feet of pure spite.

The oldest building in the District of Columbia was preserved because of a mistaken connection to George Washington.

This giant disembodied horse head seems to balance impossibly on its nose.

Once the world's largest reinforced concrete structure, this abandoned bridge now beckons urban explorers.

The iconic Manhattan corner that was once the site of the Beastie Boys' fake clothing store.

Try not to get slimed in Tribeca.

Order scoops of pandan, lychee, and black sesame at this family-run institution.

The best place in New York to pick up the controversial, notoriously foul-smelling Asian "king of fruits."

A pride of the state, this working museum crafts pottery mosaics in the style of Pennsylvania's earliest European settlers.

The sounds of the world's largest fully functioning pipe organ dazzle shoppers at a Philadelphia Macy's.

A sculptural commentary on capitalism pokes up from the East River.

Visit the monolithic tomb of America's most famous general.

A curious fountain that has no water and includes Satan, a crab, and 9 giraffes.